Validating number in java

*/ public static boolean is SSNValid(String ssn)/** is Numeric: Validate a number using Java regex.

* This method checks if the input string contains all numeric characters. Number to validate * @return boolean: true if the input is all numeric, false otherwise.

If the conversion was successful, the method returns the result in the correct type.

If the conversion failed, the code outputs and error message and requests the user to re-enter a proper input.

* This method checks if the input string is a valid phone number. Phone number to validate * @return boolean: true if phone number is valid, false otherwise.Feel free to modify and use this class in your projects. Load and Performance Test Tools Page Speed Testing Tools Mobile Web/App Testing Tools Visual Regression Testing Tools Link Checkers HTML Validators Web Accessibility Testing Tools Web Services Test Tools Note: Categories are not well-defined and some tools could have been listed in several categories; the 'Web Site Management Tools' category includes products that contain: site version control tools, combined utilities/tools, server management and optimization tools, and authoring/publishing/deployment tools that include significant site management or testing capabilities.Whenever a user is asked to provide input, the program should expect errors.This is true for almost any language and almost any case; you should protect your My SQL code from sql-injections, your php input fields from scripts, your javascript from infinite loops, your java code from non-fitting variable type.

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